下列各句中，加点的成语使用恰当的一句是(　　)

Stand over there _____ you will be able to see the oil painting better

Car prices have been going down sharply in the last 20 years.—It’s not surprising because the law of market ________ the price of a product.

My careless friend Bob received a ticket for speeding. He ____ have driven so fast.

do you have math -On Monday.